National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Winter Weather and Frigid Temperatures This Weekend

Another clipper will drop into the Northern Plains and Upper Midwest into Sunday with snow and gusty winds contributing to some areas of blizzard conditions and snow squalls. Impactful snowfall will occur up and down the East Coast Sunday extending from the western Florida Panhandle to Maine. Read More >

Current conditions at

Guam International Airport (PGUM)

Lat: 13.48°NLon: 144.8°EElev: 304ft.

A Few Clouds

80°F

27°C

Humidity 76%
Wind Speed E 7 mph
Barometer 29.74 in (1006.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 19 Jan 12:54 am ChST
Extended Forecast for

Agat GU

  • Overnight

    Overnight: Isolated showers. Partly cloudy, with a low around 74. East wind around 11 mph.

    Low: 74 °F

    Isolated
    Showers

  • M.L.King Day

    M.L.King Day: Isolated showers. Mostly sunny, with a high near 85. East wind 10 to 14 mph, with gusts as high as 18 mph.

    High: 85 °F

    Isolated
    Showers

  • Monday Night

    Monday Night: Isolated showers. Partly cloudy, with a low around 74. East wind 6 to 11 mph.

    Low: 74 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers. Mostly sunny, with a high near 85. East northeast wind 6 to 13 mph.

    High: 85 °F

    Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers. Partly cloudy, with a low around 77. East northeast wind 5 to 9 mph.

    Low: 77 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    Showers

Detailed Forecast

Overnight
Isolated showers. Partly cloudy, with a low around 74. East wind around 11 mph.
M.L.King Day
Isolated showers. Mostly sunny, with a high near 85. East wind 10 to 14 mph, with gusts as high as 18 mph.
Monday Night
Isolated showers. Partly cloudy, with a low around 74. East wind 6 to 11 mph.
Tuesday
Isolated showers. Mostly sunny, with a high near 85. East northeast wind 6 to 13 mph.
Tuesday Night
Isolated showers. Partly cloudy, with a low around 77. East northeast wind 5 to 9 mph.
Wednesday
Partly sunny, with a high near 87.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 77.
Thursday
A chance of showers. Partly sunny, with a high near 87.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 77.
Friday
A chance of showers. Partly sunny, with a high near 86.
Friday Night
A chance of showers. Mostly cloudy, with a low around 79.
Saturday
A chance of showers. Partly sunny, with a high near 85.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 79.
Sunday
Partly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Agat GU
 13.38°N 144.67°E
Last Update:
6:06 pm ChST Jan 18, 2026
Forecast Valid:
1am ChST Jan 19, 2026-6pm ChST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation